noun🔗ShareAny radioactive substance."The radioactive was carefully stored in a lead-lined container at the science lab. "substancematerialenergyphysicschemistryscienceChat with AIVocabulary GamePractice Reading
adjective🔗ShareExhibiting radioactivity."The old watch contained a radioactive substance that made its hands glow in the dark. "physicschemistryenergysubstancematerialenvironmentscienceChat with AIVocabulary GamePractice Reading
adjective🔗ShareDangerous and disgusting, particularly of people or ideas."Even sleazy tactics and his radioactive mouth may not be able to contain this debacle."attitudecharacternegativeChat with AIVocabulary GamePractice Reading
